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<HEAD>

    <TITLE>JHU/APL Auroral Oval Boundary</TITLE>

    <META NAME="Copyright" CONTENT="Copyright 2000 Johns Hopkins University Applied Physics Laboratory"/>

    <META NAME="Date" CONTENT="21 February 2000"/>

    <META NAME="Author" CONTENT="J. P. Skura"/>


  

  

    

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<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
02 Apr 1997 22:43:35 yearsecs   7944215
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.45   90.57  -60.25   47.37
    1.00  -64.03  105.57  -56.53   59.20
    2.00  -64.99  120.57  -54.73   71.80
    3.00  -65.95  135.57  -53.54   83.28
    4.00  -65.75  150.57  -51.78   93.40
    5.00  -66.78  165.57  -51.79  104.01
    6.00  -66.95  180.57  -51.37  114.01
    7.00  -66.80  195.57  -51.17  123.84
    8.00  -67.47  210.57  -52.39  133.53
    9.00  -67.06  225.57  -53.12  143.43
   10.00  -66.71  240.57  -54.41  153.61
   11.00  -66.46  255.57  -56.20  164.06
   12.00  -66.49  270.57  -58.61  174.58
   13.00  -66.75  285.57  -61.61  185.07
   14.00  -67.23  300.57  -65.26  195.51
   15.00  -67.94  315.57  -69.46  206.16
   16.00  -68.87  330.57  -74.01  217.67
   17.00  -69.87  345.57  -78.58  231.88
   18.00  -69.70    0.57  -81.81  259.26
   19.00  -69.13   15.57  -82.71  304.36
   20.00  -68.03   30.57  -79.67  343.96
   21.00  -67.00   45.57  -74.85    7.11
   22.00  -65.99   60.57  -69.60   22.54
   23.00  -65.09   75.57  -64.60   35.26
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.00   90.57  -65.93   56.95
    1.00  -71.09  105.57  -63.65   69.17
    2.00  -72.10  120.57  -61.88   79.93
    3.00  -75.56  135.57  -63.14   92.62
    4.00  -78.03  150.57  -64.09  102.70
    5.00  -78.55  165.57  -63.65  110.01
    6.00  -77.81  180.57  -62.36  116.66
    7.00  -77.14  195.57  -61.57  123.85
    8.00  -77.72  210.57  -62.49  131.06
    9.00  -77.33  225.57  -62.89  138.51
   10.00  -77.40  240.57  -64.18  145.72
   11.00  -77.29  255.57  -65.69  153.06
   12.00  -77.31  270.57  -67.70  160.10
   13.00  -77.10  285.57  -69.90  167.43
   14.00  -77.18  300.57  -72.66  173.81
   15.00  -76.85  315.57  -75.50  181.19
   16.00  -77.02  330.57  -78.83  186.15
   17.00  -76.34  345.57  -82.16  195.48
   18.00  -76.54    0.57  -85.89  195.71
   19.00  -76.46   15.57  -89.26  135.53
   20.00  -75.53   30.57  -85.98   37.21
   21.00  -73.50   45.57  -80.80   32.63
   22.00  -71.88   60.57  -75.39   38.82
   23.00  -70.50   75.57  -70.14   46.83
</PRE>


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